In a column by Ross Douthat in the New York Times, March 29, there's a great anecdote on the failures of the Roman Catholic clergy.
See it at http://www.nytimes.com/2010/03/29/opinion/29douthat.html?scp=3&sq=ross%20douthat&st=cse
Napolean threatens to destroy the church.
The cardinal responds, "Your majesty, we, the Catholic clergy, have done our best to destroy the church for the last 1,800 years. We have not succeeded, and neither will you."